<template>
   <div>

<!--     面包屑导航区域-->
     <el-breadcrumb separator-class="el-icon-arrow-right">
       <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
       <el-breadcrumb-item>用户管理</el-breadcrumb-item>
       <el-breadcrumb-item>用户列表</el-breadcrumb-item>
     </el-breadcrumb>
<!--     卡片视图区域-->
     <el-card class="box-card">
<!--       搜索与添加区域-->
       <el-row :gutter="20">
         <el-col :span="7">
           <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
             <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
           </el-input>
         </el-col>
         <el-col :span="4">
           <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
         </el-col>
       </el-row>
<!--       用户列表区-->
       <el-table :data="userlist" border stripe>
         <el-table-column type="index"></el-table-column>
         <el-table-column label="姓名" prop="username"></el-table-column>
         <el-table-column label="邮箱" prop="email"></el-table-column>
         <el-table-column label="电话" prop="mobile"></el-table-column>
         <el-table-column label="角色" prop="role_name"></el-table-column>
         <el-table-column label="状态" prop="mg_state">
           <template slot-scope="scope">
             <el-switch
               v-model="scope.row.mg_state" @change="userStatusChanged(scope.row)">
             </el-switch>
           </template>
         </el-table-column>
         <el-table-column label="操作" width="180px">
<!--          eslint-disable-next-line-->
           <template slot-scope="scope" >
<!--             修改按钮-->
             <el-tooltip  effect="dark" content="修改" placement="top" :enterable="false">
               <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditDialog(scope.row.id)"></el-button>
             </el-tooltip>

<!--             删除按钮-->
             <el-tooltip  effect="dark" content="删除" placement="top" :enterable="false">
               <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeUserById(scope.row.id)"></el-button>
             </el-tooltip>

<!--             分配角色按钮-->
             <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
               <el-button type="warning" icon="el-icon-setting" size="mini"></el-button>
             </el-tooltip>
           </template>
         </el-table-column>
       </el-table>
<!--       分页显示区域-->
       <el-pagination
         @size-change="handleSizeChange"
         @current-change="handleCurrentChange"
         :current-page="queryInfo.pagenum"
         :page-sizes="[1, 2, 5, 10]"
         :page-size="queryInfo.pagesize"
         layout="total, sizes, prev, pager, next, jumper"
         :total="total">
       </el-pagination>
<!--       添加用户对话框-->
       <el-dialog
         title="提示"
         :visible.sync="addDialogVisible"
         @close="addDialogClosed"
         width="50%">
<!--         内容主题区-->
         <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px" >
           <el-form-item label="用户名" prop="username">
             <el-input v-model="addForm.username"></el-input>
           </el-form-item>
           <el-form-item label="密码" prop="password">
             <el-input v-model="addForm.password"></el-input>
           </el-form-item>
           <el-form-item label="邮箱" prop="email">
             <el-input v-model="addForm.email"></el-input>
           </el-form-item>
           <el-form-item label="手机号" prop="mobile">
             <el-input v-model="addForm.mobile"></el-input>
           </el-form-item>
         </el-form>
<!--         底部区域-->
         <span slot="footer" class="dialog-footer">
    <el-button @click="addDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="addUser">确 定</el-button>
  </span>

       </el-dialog>
<!--       修改用户信息的对话框-->
       <el-dialog
         title="修改用户信息"
         :visible.sync="editDialogVisible"
         @close="editDialogClosed"
         width="50%">
<!--         内容主题区-->
         <el-form ref="editFormRef" :model="editForm" :rules="editFormRules"
                 label-width="70px">
           <el-form-item label="用户名">
             <el-input v-model="editForm.username" disabled></el-input>
           </el-form-item>
           <el-form-item label="邮箱" prop="email">
             <el-input v-model="editForm.email" ></el-input>
           </el-form-item>
           <el-form-item label="手机号" prop="mobile">
             <el-input v-model="editForm.mobile"></el-input>
           </el-form-item>
         </el-form>
<!--         底部区域-->
         <span slot="footer" class="dialog-footer">
    <el-button @click="editDialogVisible = false">取 消</el-button>
    <el-button type="primary" @click="editUserInfo">确 定</el-button>
         </span>
       </el-dialog>
     </el-card>
   </div>
</template>

<script>
export default {
  data () {
    // 验证邮箱的规则
    const checkEmail = (rule, value, callback) => {
      // 验证邮箱的正则
      const regEmail = /^([a-zA-Z\d])(\w|-)+@[a-zA-Z\d]+\.[a-zA-Z]{2,4}$/
      if (regEmail.test(value)) {
        // 合法邮箱
        return callback()
      }
      callback(new Error('请输入正确的邮箱地址'))
    }
    // 验证手机号的规则
    const checkMobile = (rule, value, callback) => {
      // 验证手机的正则
      const regMoblie = /^1([38]\d|4[5-9]|5[0-35-9]|6[56]|7[0-8]|9[189])\d{8}$/
      if (regMoblie.test(value)) {
        return callback()
      }
      callback(new Error('请输入正确的手机号'))
    }
    return {
      // 获取用户列表的参数对象
      queryInfo: {
        query: '',
        // 当前页数
        pagenum: 1,
        // 当天页面数据长度,
        pagesize: 2
      },
      userlist: [],
      total: 0,
      // 控制添加用户的对话框
      addDialogVisible: false,
      // 添加用户的表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 添加用户表单的验证规则
      addFormRules: {
        username: [
          {
            required: true, message: '请输入用户名', trigger: 'blur'
          },
          {
            min: 3, max: 10, message: '用户名的长度在3到10个字符之间', trigger: 'blur'
          }
        ],
        password: [
          {
            required: true, message: '请输入密码', trigger: 'blur'
          },
          {
            min: 6, max: 15, message: '密码的长度在6到15个字符之间', trigger: 'blur'
          }
        ],
        email: [
          {
            required: true, message: '请输入邮箱', trigger: 'blur'
          },
          {
            validator: checkEmail, trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: true, message: '请输入手机号', trigger: 'blur'
          },
          {
            validator: checkMobile, trigger: 'blur'
          }
        ]
      },
      // 控制修改用户信息的对话框
      editDialogVisible: false,
      // 查询到的用户信息对象
      editForm: {},
      // 修改表单的验证规则对象
      editFormRules: {
        email: [
          {
            required: true, message: '请输入邮箱', trigger: 'blur'
          },
          {
            validator: checkEmail, trigger: 'blur'
          }
        ],
        mobile: [
          {
            required: true, message: '请输入手机号', trigger: 'blur'
          },
          {
            validator: checkMobile, trigger: 'blur'
          }
        ]
      }
    }
  },
  created () {
    this.getUserList()
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })

      if (res.meta.status !== 200) {
        return this.$message.error('获取用户列表失败')
      }
      this.userlist = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听 pageSize 改变的事件
    handleSizeChange (newSize) {
      console.log(newSize)
    },
    // 监听 页码值 改变的事件
    handleCurrentChange (newPage) {
      console.log(newPage)
    },
    // 监听switch开关状态的改变
    async userStatusChanged (userInfo) {
      console.log(userInfo)
      const { data: res } = await this.$http.put(`users/${userInfo.id}/state/${userInfo.mg_state}`)
      if (res.meta.status !== 200) {
        userInfo.mg_state = !userInfo.mg_state
        return this.$message.error('更新失败')
      }
      this.$message.success('更新成功')
    },
    // 监听dialog对话框模块关闭事件
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    // 点击按钮添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) return
        // 如果预校验通过 则发起添加用的数据请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏添加用户的对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        await this.getUserList()
      })
    },
    // 修改对话框
    async showEditDialog (id) {
      console.log(id)
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('查询用户信息失败')
      }
      this.$message.success('查询用户信息成功')
      this.editForm = res.data
      this.editDialogVisible = true
    },
    // 监听修改用户信息对话框的关闭时间
    editDialogClosed () {
      this.$refs.editFormRef.resetFields()
    },
    // 修改用户信息并提交
    editUserInfo () {
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return
        // 预校验通过 发起网络请求
        const { data: res } = await this.$http.put('users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          })
        if (res.meta.status !== 200) {
          this.$message.error('用户信息修改失败')
        }
        // 成功提示
        this.$message.success('用户信息修改成功')
        // 关闭对话框
        this.editDialogVisible = false
        // 刷新数据列表
        await this.getUserList()
      })
    },
    // 根据ID删除对应的用户信息
    async removeUserById (id) {
      // 弹出进行二次确认
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?', '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)
      // 如果确定则返回confirm 取消则返回cancel
      // console.log(confirmResult)
      if (confirmResult === 'confirm') {
        const { data: res } = await this.$http.delete('users/' + id)
        if (res.meta.status === 200) {
          this.$message.info('删除成功')
          await this.getUserList()
          return
        }
        console.log(res)
        return this.$message.info('删除失败')
      }
      return this.$message.info('已取消删除操作')
    }
  }
}
</script>

<style lang="less" scoped >

</style>
